Calanca/Facchini Images of Comet Hale-Bopp

First image: The sum of 50 images of 3 seconds of integration time of the Hale
Bopp comet has been realized on the 14th march (4h-4h 40m UT) in the
Astronomical Observatory of Cavezzo, with the 40 cm telescope and the CCD
camera ERG 110, field: 10'x14'.
The image has been treated with the isophotes: the gas shells which surround
the nucleus are clearly visible.
Image and digital processing: Mauro Facchini.

Second image: Image 3D of the Hale Bopp comet has been realized on the 14th
march (4h-4h 40m UT) in the Astronomical Observatory of Cavezzo, with the
40 cm telescope and the CCD camera ERG 110, field: 10'x14'.
Image and digital processing: Mauro Facchini.
Osservatorio Astronomico Cavezzo (Italy).